Automatic water-heater.



Patented Nov'. 1o, 1914.

E. LTOWERS.

AUTOMATIC WATER HEATER.

APPLICATION FILED 001223, 1913.

Ime/@3277.' Zeaar IEM/@76,

l Ilvwmm mm um@ P @E @mm mfammm WATER-HEATER.

To mAE'wm/amay soncm: we, ami is plsferaby provided with the 'Ba it. lmewn thai Enww', Powma, ugual reinforcing disk or button 12 en its av ezen the Unized States, of Amerie@ upper? sdefas shown.. While it is preemble anc/L a f'aaiden of Cheage, in the eunzy Qi t0 form tb@ diphragms l0. and 101 of em- 60 5 Coal@ State. Gf linois, have invent@ car- .poste sheets of rawhide and rubber, it .is

mijn nm? :md useful lmpxovemns in Allier Within the provine of this part of the presquenfmain aud leakage and mms?, vided, all

valv'e headi22, controlling the valve seat 'raise said diaphragm 10, and force the valve ll'froni its seat, thus ali'ording a direct outflow of het Water from the branch pipe and throughthe aforesaid outlet bHUICh pipe 16, as longl as the 'aforesaid faucet remains open. Simultaneously with the vabove described lifting' of the ball valve l-l, by the valve stem 21, the valve head 22 carried on the lower end of said valve stem is In ,the described con struction the normal tendency of the aforesaid valve head 22, is to a closure engagement With the aforesaid seat 18, s0 thatl formation of said inner 'easing 23, With passages, fins or ribs, as usual in the heat transferenceart. The lnansferencel of heat above mentioned, is in turn transmitted to or from the heavy mineral oil filling in the casing 23, and the consequent expansion or contraction of said filling is in turn utilized to regulate the flow of fuel gas to the burner 4 ofthe heater, by the following arrangement of parts z--Qli is a piston lchamber forming an extension of the easing23, and having a piston 25, one end of which is exposed to the oil iilling above described, ivhile the other end is connected to the carrying lever 'of a' regulatingvalve mechanism now to be described. X

26 is a valve casing, preferably conrieeted to the aforesaid piston chamber 24, and having communication with the fuel` gas supply pipes 5 and 20, heretofore described, and in the present construction the pipe 5 ends in a valve seat 27 disposed in the interior of 'the valve casing 26, and controlled by the movable valve meehanismas `'ollows: 28 is a lever pivotcd within the valve casing 26, and operatively connected to the piston 25, above described.

29 is a valve head carried on the free end of the lever 28 and disposed in operativo relation to the valve seat 27, aforesaid. In the preferred construction said valve head is provided with a headed and elongated stem 30, having limited independent more@ ment in a receiving orifice formed therefor tain a sudden and full opening eil'eot icy` gravitv.

With the above described valve regalatin f ing mechanism, as the Water passing' evvay vfrom the heater 1, reaches a higher temperature than required, the consequent e22- pansion of the heavy mineral oil inthe with ai@ describes con" casing 23, is adapted through the interme- -A diate valve adjusting mechanism above described, to shut oli' the fuel gas supply to the burner 4, until 'the temperature et the passing hot Water drops to a normal and predetermined temperature, when the supply of gas will he restored automatically by the removal of the valve head 29 *from the seat 27. Otherwise the normal position o the valve head 29 is the opened condition illustrated in Fig. 1in order to permit the proper performance of the primary regal tor irstdescribed.

lVith the present arrangement of the au tomatic regulating means in the outlet pipe from the Water heater, an uninterrupted and full supply of Water to such heater is insured under all conditions. And what is of still greater consequence, such arrangement etiects an entire elimination of retardation due to friction of the volume of water in the ramifications of the Water heater nforce said, and provides instead an almost entire absence or" pressure at one side of the ante matic regulating mechanism, and the full pressure of the water main orsupply at the other side of said mechanism. llin consequence a rapid and sensitive 'control fuel gas supply is attained.

Having thus fully described mv said in vention what I claim .as new` and desire to secure by Letters lJatent, isz- 1. A motor for het water heating system, comprising a single motor casing having a central motor chamber, upper and lower valve chambers and a ley-pass connectie@ the upper valve chamber with the cen'trgi motor chamber, a gravity valve arranged in the upper valvev chamber, an inlet branch connecting with said valve chamber above said valve,`an outlet branch yconnected to said valve chamber below seid valve, e nia ton in the central motor chamber aforesaid,

.a piston stem carried byv saidpiston and having operative engagement with the gravity valve aforesaid, an inlet branch connected to the lower valve chamber, an

outlet branch connected to the lower valve chamber and provided with a valve seat and a valve head associated with said seat and having operative engagement with the piston stem aforesaid, substantially as set forth.

2. A' motor for hot water heating lsystems, comprising a single motor casing having a central motor chamber, upper and lower valve chambers and a by-pass connecting the upper valve chamber with the central motor chamber, a gravity valve arranged in the' upper valve chamber, an inlet branch connecting with said valve chamber above said valve, an outlet branch connected'to said valve chamber below said valve, upper and lower pistons of differential areas in the central motor `chamber I aforesaid, a piston stem carried by said pistons and having operative engagement with thc gravity valve aforesaid, an inlet branch connected to the lower valve chamber, an outlet branch connected tothe lower chamber and provided with a valve seat, and 'a valve headv associated with -said seat and nected to said valve Ychamber below saidv valve, upperand lower diaphragm pistons in the central motor chamber aforesaid, a piston stern carried bysaid pistons and having operative engagement with thev gravity valve aforesaid, an inlet branch connected to the lower valve chamber, an outlet branch connected to the lower chamber and provided with a valve seatv and a valve head associated with said valve seat and having operative connection with the piston stem.

aforesaid, substantially as set forthl Signed at Chicago, Illinois, this 21st day of October, 1913,

EDVARD J. POWERS.

Witnesses:

ROBERT BURNS, EDWARD C. PHILLIPS. 

